Star Scientific (Nasdaq:CIGX) is trading at unusually high volume Friday with 3.9 million shares changing hands. It is currently at four times its average daily volume and trading down 21 cents (-7.1%).

Shares of Star Scientific (Nasdaq:CIGX) were gapping down Monday morning with an open price 12.2% lower than Friday's closing price. The stock closed at $3.03 yesterday and opened today's trading at $2.66.

Shares of Star Scientific (Nasdaq:CIGX) were gapping down Tuesday morning with an open price 14.9% lower than Monday's closing price. The stock closed at $3.48 yesterday and opened today's trading at $2.96.